On Sat, 2017-04-15 at 13:07 -0400, Jamal Hadi Salim wrote:
> Eric,
>
> How does attached look instead of the 32K?
> I found it helps to let user space suggest something
> larger.
>
> cheers,
> jamal
Looks dangerous to me, for various reasons.
1) Memory allocations might not like it
Have you tr
On Apr 15, 2017, at 7:10 PM, Andrew Lunn wrote:
> Do you think this is a kernel problem, libpcap problem, or an
> application problem?
An application problem. See my response on netdev; the timeout (which is
provided by the kernel's capture mechanism, in most cases) is to make sure
packets do
On Apr 15, 2017, at 4:44 PM, Andrew Lunn wrote:
> Yet i'm debugging an application which expects a timeout even when
> there are 0 packets.
Well, you've already found a bug - it expects a timeout where there are no
packets.
To quote the pcap man page (this is the latest version, which calls it
It should be fixed for 4.12. Basically, __udp6_lib_demux_lookup needs
to
be more like __udp4_lib_demux_lookup
Hi David
Would it be possible for you to test this with udp_l3mdev_accept=0
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b793ed1..0e307e5 100644
--- a/net/ipv6/udp.c
+++ b/net/i
On Sat, Apr 15, 2017 at 06:45:36PM -0400, Sowmini Varadhan wrote:
> On (04/15/17 21:40), Andrew Lunn wrote:
> >
> > In my case, lan3 is up and idle, there are no packets flying around to
> > be captured. So i would expect pcap_next_ex() to exit once a second,
> > with a return value of 0. But it i
commit 83e7e4ce9e93c3 ("mac80211: Use rhltable instead of rhashtable")
removed the last user that made use of 'insecure_elasticity' parameter,
i.e. the default of 16 is used everywhere.
Replace it with a constant.
Signed-off-by: Florian Westphal
---
include/linux/rhashtable.h | 21 +
On Sat, Apr 15, 2017 at 12:38:17PM -0400, Vladislav Yasevich wrote:
> This extension allows us to pass vlan ID and vlan protocol data to the
> host hypervisor as part of the vnet header and lets us take advantage
> of HW accelerated vlan tagging in the host. It requires support in the
> host to ne
On Sat, Apr 15, 2017 at 06:45:36PM -0400, Sowmini Varadhan wrote:
> On (04/15/17 21:40), Andrew Lunn wrote:
> >
> > In my case, lan3 is up and idle, there are no packets flying around to
> > be captured. So i would expect pcap_next_ex() to exit once a second,
> > with a return value of 0. But it i
On (04/15/17 21:40), Andrew Lunn wrote:
>
> In my case, lan3 is up and idle, there are no packets flying around to
> be captured. So i would expect pcap_next_ex() to exit once a second,
> with a return value of 0. But it is not, it blocks and stays blocked.
:
> Looking at the libpcap source, th
On 04/14/2017 03:26 PM, rupert THURNER wrote:
On Thu, Feb 9, 2017 at 9:09 PM, Larry Finger wrote:
On 02/09/2017 01:43 PM, Bjorn Helgaas wrote:
[+cc rtl8192ce folks in case they've seen this]
On Thu, Feb 09, 2017 at 03:45:01PM +0100, rupert THURNER wrote:
hi,
not technical expert enough, i
On Sat, Apr 15, 2017 at 09:28:33PM +0200, Jesper Dangaard Brouer wrote:
> On Sat, 15 Apr 2017 15:53:50 +0100
> Mel Gorman wrote:
>
> > This reverts commit 374ad05ab64d696303cec5cc8ec3a65d457b7b1c. While the
> > patch worked great for userspace allocations, the fact that softirq loses
> > the per-
Hi,
On Thu, Apr 13, 2017 at 10:03:52AM -0500, Rob Herring wrote:
> +static int read_local_version(struct hci_dev *hdev)
> +{
> + int err = 0;
> + unsigned short version = 0;
> + struct sk_buff *skb;
> + struct hci_rp_read_local_version *ver;
> +
> + skb = __hci_cmd_sync(hdev, H
Hi Folks
I'm running this simple program using libpcap:
#include
#include
#include
#include
int main(int argc, char *argv[])
{
struct pcap_pkthdr *hdr;
const uint8_t *data;
pcap_t *handle;
int ret;
handle = pcap_open_live("lan3", 65535, 1, 1000, NULL
Hi,
On Thu, Apr 13, 2017 at 10:03:50AM -0500, Rob Herring wrote:
> Add serial slave device binding for the TI WiLink series of Bluetooth/FM/GPS
> devices.
>
> Signed-off-by: Rob Herring
> Cc: Mark Rutland
> Cc: netdev@vger.kernel.org
> Cc: devicet...@vger.kernel.org
> ---
> v3:
> - rebase on bl
On Sat, 15 Apr 2017 15:53:50 +0100
Mel Gorman wrote:
> This reverts commit 374ad05ab64d696303cec5cc8ec3a65d457b7b1c. While the
> patch worked great for userspace allocations, the fact that softirq loses
> the per-cpu allocator caused problems. It needs to be redone taking into
> account that a se
> On April 15, 2017 at 8:20 PM Cong Wang wrote:
>
>
> On Fri, Apr 14, 2017 at 2:08 AM, Wolfgang Bumiller
> wrote:
> > Before I do that - trying to wrap my head around the interdependencies
> > here better to be thorough - I noticed that tcf_hash_release() can
> > return ACT_P_DELETED. The ACT_
On Fri, Apr 14, 2017 at 2:08 AM, Wolfgang Bumiller
wrote:
> Before I do that - trying to wrap my head around the interdependencies
> here better to be thorough - I noticed that tcf_hash_release() can
> return ACT_P_DELETED. The ACT_P_CREATED case means tcf_hash_create()
> was used, in the other ca
Eric,
How does attached look instead of the 32K?
I found it helps to let user space suggest something
larger.
cheers,
jamal
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 7b73c7c..bc982ef 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1849,7 +184
On 17-04-15 10:12 AM, Jamal Hadi Salim wrote:
On 17-04-12 09:22 PM, Cong Wang wrote:
Sorry - didnt get the full thread (the OP managed to post to CC
linux kernel list but not me); trying to catch up.
So the issue if i understood:
Policer was created but failed and we the error code mistakenly
We can replace the structure with a properly aligned size instead.
The current structure attempts to align on a 16 byte boundary, so
preserve it.
Signed-off-by: Vlad Yaseivch
---
drivers/net/virtio_net.c | 22 --
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a
This adds the ability to pass a guest generated IPv6 fragment id to the
host hypervisor. The id is passed as big endian to eliminate unnecessary
conversions. The host will be able to directly use this id instead of
attempting to generate its own. This makes the IPv6 framgnet id sligtly
harder to
This is the basic sceleton which will be fleshed out by individiual
extensions.
Signed-off-by: Vladislav Yasevich
---
drivers/net/virtio_net.c| 21 +
include/linux/virtio_net.h | 12
include/uapi/linux/virtio_net.h | 11 +++
3 files changed,
This patch provides the ablility to negotiate UDP tunnel offload features
in the virtio devices as well as the necesary extension to pass additional
information to the host. This work is based on earlier work by Jarno
Rajahalme
---
drivers/net/virtio_net.c| 36 ++-
Consistently use hdr_len stored in virtnet_info
structure instead of direclty using specific sizes.
This will be required as the size of the virtio net
header grows due to future extensions.
Signed-off-by: Vladislav Yasevich
---
drivers/net/virtio_net.c | 8
1 file changed, 4 insertions
This extension allows us to pass vlan ID and vlan protocol data to the
host hypervisor as part of the vnet header and lets us take advantage
of HW accelerated vlan tagging in the host. It requires support in the
host to negotiate the feature. When the extension is enabled, the
virtio device will
Curreclty virtion net header is fixed size and adding things to it is rather
difficult to do. This series attempt to add the infrastructure as well as some
extensions that try to resolve some deficiencies we currently have.
First, vnet header only has space for 16 flags. This may not be enough
i
On 4/14/17 6:59 PM, Alexei Starovoitov wrote:
> I'll test it next week unless people beat me to it.
>
I have run the xdp1 example from samples/bpf.
I have a patch that modifies set_link_xdp_fd to take a flags argument
which it adds to the request as the IFLA_XDP_FLAGS attribute. That's
used by c
On Fri, Apr 14, 2017 at 12:10:27PM +0200, Jesper Dangaard Brouer wrote:
> On Mon, 10 Apr 2017 14:26:16 -0700
> Andrew Morton wrote:
>
> > On Mon, 10 Apr 2017 16:08:21 +0100 Mel Gorman
> > wrote:
> >
> > > IRQ context were excluded from using the Per-Cpu-Pages (PCP) lists caching
> > > of order
This reverts commit 374ad05ab64d696303cec5cc8ec3a65d457b7b1c. While the
patch worked great for userspace allocations, the fact that softirq loses
the per-cpu allocator caused problems. It needs to be redone taking into
account that a separate list is needed for hard/soft IRQs or alternatively
find
On 17-04-12 09:22 PM, Cong Wang wrote:
On Wed, Apr 12, 2017 at 7:21 AM, Wolfgang Bumiller
wrote:
Commit 1045ba77a ("net sched actions: Add support for user cookies")
added code to net/sched/act_api.c's tcf_action_init_1 using the `tb`
nlattr array unconditionally, while it was otherwise used as
This patch is to fix the replay attack issue for strreset asoc requests.
When a duplicated strreset asoc request is received, reply it with bad
seqno if it's seqno < asoc->strreset_inseq - 2, and reply it with the
result saved in asoc if it's seqno >= asoc->strreset_inseq - 2.
But note that if th
Now sctp stream reconf will process a request again even if it's seqno is
less than asoc->strreset_inseq.
If one request has been done successfully and some data chunks have been
accepted and then a duplicated strreset out request comes, the streamin's
ssn will be cleared. It will cause that strea
This patch is to fix the replay attack issue for strreset and addstrm in
requests.
When a duplicated strreset in or addstrm in request is received, reply it
with bad seqno if it's seqno < asoc->strreset_inseq - 2, and reply it with
the result saved in asoc if it's seqno >= asoc->strreset_inseq - 2
Now sctp stream reconf will process a request again even if it's seqno
is less than asoc->strreset_inseq. It may cause a replay attack.
This patchset is to avoid it by add proper process for all duplicated
stream reconf requests.
Xin Long (3):
sctp: process duplicated strreset out and addstrm o
Now when processing strreset out responses, it gets outreq->list_of_streams
only when result is performed. But if result is not performed, str_p will
be NULL. It will cause panic in sctp_ulpevent_make_stream_reset_event if
nums is not 0.
This patch is to fix it by getting outreq->list_of_streams e
From: Jiri Pirko
Date: Sat, 15 Apr 2017 10:59:03 +0200
> Sat, Apr 15, 2017 at 01:01:38AM CEST, step...@networkplumber.org wrote:
>>On Thu, 13 Apr 2017 11:30:27 +0200
>>Jiri Pirko wrote:
>>
>>> We actually took this code from teamdctl (at least it was an influence).
>>> Devlink style is so much d
From: David Ahern
Date: Fri, 14 Apr 2017 18:42:14 -0600
> On 4/14/17 6:38 PM, Subash Abhinov Kasiviswanathan wrote:
>> On 2017-04-14 16:23, David Ahern wrote:
>>> Subash:
>>>
>>> My understanding of early demux is that it should only match connected
>>> sockets (src/sport + dst/dport are all set)
On 04/15/2017 03:25 AM, Chenbo Feng wrote:
From: Chenbo Feng
BPF helper functions get_socket_cookie and get_socket_uid can be
used for network traffic classifications, among others. Expose
them also to programs of type BPF_PROG_TYPE_CGROUP_SKB. As of
commit 8f917bba0042 ("bpf: pass sk to helper
On Sat, Apr 8, 2017 at 5:58 PM, Deepa Dinamani wrote:
>> I have no problem merging this patch into audit/next for v4.12, would
>> you prefer me to do that so at least this patch is merged?
>
> This would be fine.
> But, I think whoever takes the last 2 deletion patches should also take them.
> I'm
This patch adds support for SEG6 encapsulation type
("ip route add ... encap seg6 ...").
Signed-off-by: David Lebrun
---
ip/iproute.c | 6 +-
ip/iproute_lwtunnel.c | 154 ++
2 files changed, 158 insertions(+), 2 deletions(-)
diff --git
This patch adds commands to support the tunnel source properties
("ip sr tunsrc") and the HMAC key -> secret, algorithm binding
("ip sr hmac").
Signed-off-by: David Lebrun
---
ip/Makefile| 2 +-
ip/ip.c| 3 +-
ip/ip_common.h | 1 +
ip/ipseg6.c| 238 +
This patch adds information about seg6 encapsulation in the ip-route
manual, as well as the ip-sr manual page.
Signed-off-by: David Lebrun
---
man/man8/ip-route.8.in | 39 +++--
man/man8/ip-sr.8 | 58 ++
2 files ch
This patch series adds support and documentation in iproute2 for
encapsulation with IPv6 SR, and for control of HMAC mappings.
v2: fix bad types and indentation
Signed-off-by: David Lebrun
David Lebrun (3):
ip: add ip sr command to control SR-IPv6 internal structures
iproute: add support fo
On Fri, Apr 14, 2017 at 02:06:25AM +0200, Pablo Neira Ayuso wrote:
> On Fri, Apr 14, 2017 at 08:51:19AM +0900, Simon Horman wrote:
> > On Fri, Apr 14, 2017 at 01:01:34AM +0200, Pablo Neira Ayuso wrote:
> > > Hi Simon,
> > >
> > > On Mon, Apr 10, 2017 at 09:58:32AM -0700, Simon Horman wrote:
> > >
Sat, Apr 15, 2017 at 01:01:38AM CEST, step...@networkplumber.org wrote:
>On Thu, 13 Apr 2017 11:30:27 +0200
>Jiri Pirko wrote:
>
>> We actually took this code from teamdctl (at least it was an influence).
>> Devlink style is so much different in every aspect from the rest of the
>> iproute2 suite.
On Fri, Apr 14, 2017 at 04:15:41PM +0200, Jozsef Kadlecsik wrote:
> Hi Pablo,
>
> On Fri, 14 Apr 2017, Pablo Neira Ayuso wrote:
>
> > On Mon, Apr 10, 2017 at 03:52:37PM -0400, Aaron Conole wrote:
> > > There are no in-tree callers.
> >
> > @Jozsef, let me know if I should just take this to save
On Fri, 2017-04-14 at 11:42 -0700, Alexei Starovoitov wrote:
> bpf takes endianness of the cpu it runs on.
Ok, so then things are actually not as difficult as I thought.
> if we said that bpf 32-bit load insn is little endian, it would have
> screwed up all big-endian archs and the other way aro
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